# tim

Newest questions posted by tim-
## algebra

The speed of light is approximately 3.0 x 10^8 meters per second. The speed of sound is approximately 3.4 x 10^2 meters per second. 1) What is the difference between the speed of light and the speed of sound? 3.0 x 10^8 - 3.4 x 10^2 2) How many times -
## math

14 _ 2 _ 7 _ 3_ 9=10 -
## Math

Which of the following vectors are parallel? u=2i+4j-2k, v=i-j+3k w=-i-2j+k, p=i+j+k q=4i-4j+12k, r=i-j+k -
## Math

The force on an object is F =−21j . For the vector v =4i −j , find: a) The component of F parallel to v : (b) The component of F perpendicular to v : The work, W, done by force F through displacement v : -
## Math

Suppose A=(1,3,−6) and AB=⟨7,5,11⟩. Then B= -
## Statistics

Episodes of dehydration are common at outdoors music festivals. At a particular large annual event, a first aid team has recorded over the years 85 cases on average per day. In 2018, during a weekend they observe 78, 86, 79, and 81 cases. Assuming the -
## Calculus

Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of water that leaked out is evaluated by a Riemann sum. Find -
## Grade 12 Calculus

A science project studying catapults sent a projectile into the air with an initial velocity of 24.5 m/s. The formula for distance (s) in meters with respect to time in seconds is s = -4.9t2 + 24.5t. a)Find the time that this projectile would appear to -
## Math

In a class 1/3 are boys.If 2/5 of the boys are absent, what fraction of the boys is present? -
## Chemistry

A sample of oxygen, O2, occupies 32.2 mL at 30 °C and 452 torr. What volume will it occupy at –70 °C and the same pressure? -
## Math

Divide 33 photos into 2 groups so that the ratio is 4:7 -
## maths

two cars start to drive around two Km trackat the same time.carX MAKES ONE lap every 80second,while CarY make one lap every 60second. How long will it take for two cars to be at their starting position again?give answer in minutes. -
## math

A standard deck of cards has 52 cards in it. The cards are divided into 4 suits or 13 cards each.If one draws two cards at random from the deck of cards what is the probability that they are of the same suit ? -
## math

How many diﬀerent outcomes could there be when rolling three 6 sided dice ? -
## math

A committee of 5 is chosen from 6 teachers and 3 students and 7 others. Determine the number of ways of selecting the committee if it is to contain: (a)at least two teachers (b)no teacher nor student -
## algebra

7 more than twice Jenny'a age. Use j to represent Jenny'a age -
## Ashford

In hiring officials it is considered best to: A. Pay a salary plus expenses rather than a flat fee B.Have officials selected with the approval of the opponents C.Use local officials D.Have officials chosen strictly by the home team. A and C Which of the -
## Ashford

In hiring officials it is considered best to: A. Pay a salary plus expenses rather than a flat fee B.Have officials selected with the approval of the opponents C.Use local officials D.Have officials chosen strictly by the home team. A and C Which of the -
## Math

The bus fare in a city is $2.00. People who use the bus have the option of purchasing a monthly coupon book for $ 20.00. With the coupon book, the fare is reduced to $1.00. Determine the number of times in a month the bus must be used so that the total -
## Math

The two stadiums with the largest capacities are Marshfield Stadium and Bowden Stadium. The capacity of Marshfield Stadium exceeds that of Bowden by 7,341 people. Combined, the two stadiums have a capacity of 210,355 people. Find the capacity of each -
## Math

Use the percent formula, A=PB: A is Percent of B 30% of what number of 87%. Need help. -
## Math

When seven times a number is decreased by 8, the result is 55. What is the number. Help me to understand. -
## Algebra

Evaluate the algebraic expression for the given value of the variable. -4,x^2-18= -10 Please check my answer -
## Alegbra

Evaluate the given expression for x= -9. -6x-4= I need help understanding. -
## Alegbra

I need help understanding this problem. (Simplify your answer. Type a whole number.) 3^2 3^3= -
## Alegbra

Use properties of exponents to simplify the given expression. First express the answer in exponential form. Then evaluate the expression. 3^2 3^3= -
## Accounting

X has recorded bad debt expense in the past at a rate of 1.5% of accounts receivable, based on an aging analysis. In 2017, X decides to increase its estimate to 2%. If the new rate had been used in prior years, cumulative bad debt expense would have been -
## algebra

Determine the length of the missing side of each right triangle. Show your work. 1)a=15; b=?; c=20 Answer is b= 5√7 2)a=9; b=12; c=? Answer is c= 15 **How do I show my work to come up with each of these two answers? THANK YOU!! -
## algebra

The length of a rectangle is 4 inches more than twice the width. If the area of the rectangle is 48 square inches, what is the length of the rectangle? SHOW WORK. Thank you!! -
## 099

2(2x-7)-16=3(-x-7)-11 After getting rid of the () 4x-14-16=-3x-21-11 Where do I go from here? -
## 099 math

2(2x-7)-16=3(-x-7)-11 -
## 099 math

-2(-x-5)+1=5 -
## English

Identify the most effective method by which a writer can persuade a reader. A.S/he repeats the same idea over and over, using different words. B.S/he tries to use information that could frighten a reader. C.S/he supports main points with strong research. -
## English

To cite sources correctly in APA, a research-based paper must contain both in-text citations and a references page that contains full citations of each source mentioned in the paper. True False I say True. Please check my work. -
## English

Evaluate which of the following is the best example of a summary. A.In Goldilocks and the Three Bears, a character named Goldilocks sneaks into a home owned by bears. She eats a bowl of porridge and falls asleep in the house. When the bears return, -
## English

A typical research-based paper contains an introduction with a thesis, a body in which the paragraphs begin with topic sentences, a conclusion, and a references page. True False I say True. Please check my work. -
## English

In any academic writing, it is appropriate to use the word you, as in: When you read the research, you know that the death penalty does not deter crime. True False I say false. Please check my work. -
## Physics

A locomotive pulls 12 identical freight cars. The force between the locomotive and the first car is 150.0 kN, and the acceleration of the train is 2 m/s2. There is no friction to consider. Find the force between the eleventh and twelfth cars. (Express your -
## English

Revise the following sentence to include gender neutral pronouns. Change any words necessary. A writer must include research to ensure the reader understands his point. I need help with this one. -
## English

Revise the following sentence to omit personal pronouns. I think it is important for you to evaluate information before it in a paper. It's important to evaluate information before including in your paper. Please check my work. -
## English

Rewrite the following sentence to make it more concise: The referendum was held by the government in the month of August. The Government held a referendum in the August. Please check my work. -
## English

Rewrite the following sentence to make it more concise: The end result of completely eliminating the floodwall was utter devastation. I need help with this one. -
## English

Revise the sentence below to make it more formal: 'You're going to get really fat if you eat at fast foods restaurants all the time. My version: If you continue eating at fast food restaurants all the time, the possibility of becoming obese will be very -
## Geometry

What is the relative position of two lines if their orthogonal projection onto the projection planes are a) parallel lines b) coinciding lines c) intersecting lines -
## English

Generally, any sentence that contains research-based information must include a three-part in-text citation that lets readers know the source of the information. True False I sat True. Please check my answer. -
## English

Quotation marks are required when using exact words from an outside source. True False I say True. Please check my answer. -
## English

When a writer paraphrases or summarizes information from a source, s/he does not need to provide a citation. True False. I say false. Please check my answer. -
## English

The sentence below requires a citation. In the last three years, Ford has sold more automobiles in America than any other auto-manufacturer. 1.True 2.False I say False. Please check my answer. -
## English

The sentence below requires a citation. The United States of America has 50 states. True False I say True. Please check my answer. -
## English

In a research-based paper it is sometimes OK to quote directly from a research source without any attribution. True False I say False. Please check my answer. -
## math

2√72 +√32 I got 8√8 -
## Math

2sqr72+sqr32 9x8 plus 4x8 2sqr3 x sqr8 + 2xsqr8 =8sqr8 -
## English

Read the thesis statement that follows. Identify why it is a good thesis statement. Government should provide health insurance because the costs of uninsured people damage the economy. A.It is interesting B.Everyone already knows it’s true. C.It mentions -
## English

The sentence below is a workable thesis statement. The U.S. manufacturing industry should receive more government subsidies so that it can compete worldwide with companies whose governments give greater subsidies 1. True 2.False I say True. Check my answer -
## English

Any good thesis statement should contain in-text citations. A. True B. False I say true. -
## English

1. Identify which description below is untrue of a good thesis A. A thesis mentions a broad topic. B. A thesis narrows the broad topic to a single statement C. A thesis very briefly mentions the factors that contribute to the writer’s position D. A -
## Partial Sums and finding a certain term

Suppose that the nth partial sum of the series ∞ Σan is Sn = (5n-2)/(5n+2) n=1 Find a3. I have tried plugging in n = 3 and solving Sn but that is incorrect. I believe something is wrong with my approach and I would be happy to get some guidance. -
## Partial Sums

Suppose that the nth partial sum of the series ∞ Σan is Sn = (5n-2)/(5n+2) n=1 Find a3. I have tried plugging in n = 3 and solving Sn as well as summing the first three terms of the series to find a3. I believe something is wrong with my approach -
## Partial Sums

Suppose that the nth partial sum of the series ∞ Σn=1 an is sn = 5n − 2 5n + 2 -
## Recursive Sequence and its Limit

I have been given the following info: a = 1, a = 3*a/6+a I plugged L in and ended up with the equation: L = 3*L/6+L, which I solved and got L = -3 for the limit. However, this answer is either only partially correct or close to the true answer. Any help is -
## Mathematical Induction

I have been given that a1 = 1 and an+1 = 1/3*(an + 4). In order to prove that this sequence is monotonous, what is the second step of mathematical induction? If my explaining of the question is unclear, here is a picture of the question and the possible -
## Calculus (Sequences)

Hello, here is a picture of the question I am trying to solve, I believe the answer to be C, but I would just like some confirmation/correction. goo. gl/gWfhVn -
## English

Choose the correct word or phrase to fill in the blank. Do you really want to give __________ the money that you earned? A.she and Jim B.Jim and she C.them two D.Jim and her I think it's D. -
## English

Choose the correct word or phrase to fill in the blank. Neither her associates nor the doctor __________ the surgery is necessary. A.thinks B.think I pick A. -
## Math

Put the distance each friend live from one another from greatest to least,4 3/4,4 7/8,4 9/10 and 4 4/5. -
## physics

an object of mass 10 kg is at rest when a net force of 20 N acts on it in a direction east. The acceleration produced on the object is? a) 2 m/s^2 in the direction east b) 2 m/s^2 in the direction west c) 0.5 m/s^2 in the direction east d) 0.5 m/s^2 in the -
## physics

A 1-kg rock is suspended from the tip pf a uniform meter at 0 cm mark so that the meter stick balances like a see-saw when the fulcrum is at 20 cm mark. what is the mass of the meter stick? -
## Finite Math

Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The -
## FUNCTIONS HELPPPPP????

Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^2-98 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions) I do not know how does everyone get this -
## Functions

Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^2-98 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions) -
## Functions

Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^2-98 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions) -
## Math

You are randomly selecting one catches on a 52 card deck.find the probability of selecting: a 2 or a 3 I got 2/13 A red 2 or a black 3 I got 1/13 I want to make sure it is correct This is very urgent Thanks -
## L'Hospital's Rule and Indeterminate Forms

I understand LHR can be applied to limits of the indeterminate form 0/0 and inf/inf. However, can it be applied to the other indeterminate forms of 1^inf, inf-inf, inf^0, 0^inf, and inf*inf? -
## Physics

A certain number of identical resistors are connected in series and their total resistance is measured. When the resistors are disconnected and re-connected in parallel, their total resistance drops to one-percent of the value measured when they were -
## Calculus

Let F(x)= x^2 ∫ sqrt(1+t^3)dt x Find F'(4). I applied the FTC and thought that F'(4) = f(4) which in this case would be sqrt(1+4^3), giving me an answer of sqrt(65), however this is incorrect. I'm not sure how to proceed with the question. -
## Calculus

I am trying to solve a sigma/summation notation problem: n = 99, i = 4 and each term in the sequence is determined by (1/i) - (1/(i+1)). Since n = 99, I think it's safe to assume my professor does not want me to actually go through the process of subbing -
## Business

Accounting is actually an easy subject for most people to understand because almost everyone is exposed to basic accounting concepts in their everyday life. True or False. I say True. -
## College

Any organization that produces a good or service can be classified as a business. True or False I say true. Please check my work. -
## Physics

A 3.65 kg steel block is spun around a motor at 44.0 rpm. The angular acceleration of the block is -1.3 rads/s2 and it takes 3.54 s for the block to come to a complete stop. What is the angular displacement while the block slows to a stop? -
## English

What is the maximum amount of your paper that should be a direct quotation? A. 15% B. 20% C. 25@ D. No maximum as long as all material is cited properly. I say B -
## English

What goes into the author field (the first part of an APA citation) on a Reference page if there is no author or editor listed? The date of publisher The location of the publisher The title of the work that is being cited, for example, the title of the -
## English

If there is no known date for the source, the following should be inserted in both the in-text citation and on the Reference page: (n.d.) True or False I say True -
## English

A good way to begin your research is to define your research needs and then look for resources that will fill the gaps in your knowledge. True or False I say True -
## English

Scholarly articles contain loosely related paragraphs, without a formal structure. True False I say False -
## English

Authors of scholarly articles are experts or scholars in a particular field. True False I say True -
## English

Popular magazines often list the author’s credentials. True False I say True -
## English

Information regarded as common knowledge includes ideas that most people already know or can easily be located in general reference sources. True False I say True -
## English

Accidental or unintentional plagiarism occurs when direct quotations aren’t identified or incorrectly paraphrased sources are included in research-based writing. True False I say True -
## English

Subject guides contain sources that have been selected by humans. True False I say True -
## English

To maintain academic integrity, it is necessary for you to take full credit for your own ideas and provide attribution to others' ideas you incorporate. True False I say True -
## English

All citations listed on the Reference page must have at least one corresponding in-text citation within the body of the paper. True False I say True -
## English

Encyclopedias are good to use as a starting point to find background information on a topic. True False I say True -
## English

If there is no known author for a source, the in-text citation and the full citation on the Reference page should start with the date. True False I say false. -
## English

All web sites are constantly updated with new, factual information. True False I need help on this question. -
## English

Personal communication includes electronic mail conversations with citation. True False I say false -
## English

It is not necessary to include a citation for personal communication on the Reference page. True False I say False -
## English

Primary sources include articles that have been evaluated, reviewed or interpreted. True False I say True -
## English

Scholarly journals go through an extensive peer-review process, ensuring the information is reliable. True False I say True. -
## English

Print books provide the most current information available. True False I sat True -
## English

The reputation of the author is an important criterion to determine when evaluating a book to include for scholarly research. True False I say True.